MHD boundary-layer flow of a micropolar fluid past a wedge with constant wall heat flux

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53 Citations (Scopus)

Abstract

The steady laminar magnetohydrodynamic (MHD) boundary-layer flow past a wedge with constant surface heat flux immersed in an incompressible micropolar fluid in the presence of a variable magnetic field is investigated in this paper. The governing partial differential equations are transformed into a system of ordinary differential equations using similarity variables, and then they are solved numerically by means of an implicit finite-difference scheme known as the Keller-box method. Numerical results show that micropolar fluids display drag reduction and consequently reduce the heat transfer rate at the surface, compared to the Newtonian fluids. The opposite trends are observed for the effects of the magnetic field on the fluid flow and heat transfer characteristics.

Original languageEnglish
Pages (from-to)109-118
Number of pages10
JournalCommunications in Nonlinear Science and Numerical Simulation
Volume14
Issue number1
DOIs
Publication statusPublished - Jan 2009

Fingerprint

micropolar fluids
Micropolar Fluid
Magnetohydrodynamic Flow
boundary layer flow
Boundary layer flow
Boundary Layer Flow
Magnetohydrodynamics
Wedge
Heat Flux
wedges
magnetohydrodynamics
Heat flux
Heat Transfer
heat flux
heat transfer
Magnetic Field
Drag Reduction
drag reduction
Fluids
Newtonian fluids

Keywords

  • Boundary layer
  • Falkner-Skan equation
  • MHD
  • Micropolar fluids
  • Wedge

ASJC Scopus subject areas

  • Mechanical Engineering
  • Statistical and Nonlinear Physics

Cite this

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title = "MHD boundary-layer flow of a micropolar fluid past a wedge with constant wall heat flux",
abstract = "The steady laminar magnetohydrodynamic (MHD) boundary-layer flow past a wedge with constant surface heat flux immersed in an incompressible micropolar fluid in the presence of a variable magnetic field is investigated in this paper. The governing partial differential equations are transformed into a system of ordinary differential equations using similarity variables, and then they are solved numerically by means of an implicit finite-difference scheme known as the Keller-box method. Numerical results show that micropolar fluids display drag reduction and consequently reduce the heat transfer rate at the surface, compared to the Newtonian fluids. The opposite trends are observed for the effects of the magnetic field on the fluid flow and heat transfer characteristics.",
keywords = "Boundary layer, Falkner-Skan equation, MHD, Micropolar fluids, Wedge",
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AU - Mohd Ishak, Anuar

AU - Mohd. Nazar, Roslinda

AU - Pop, Ioan

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N2 - The steady laminar magnetohydrodynamic (MHD) boundary-layer flow past a wedge with constant surface heat flux immersed in an incompressible micropolar fluid in the presence of a variable magnetic field is investigated in this paper. The governing partial differential equations are transformed into a system of ordinary differential equations using similarity variables, and then they are solved numerically by means of an implicit finite-difference scheme known as the Keller-box method. Numerical results show that micropolar fluids display drag reduction and consequently reduce the heat transfer rate at the surface, compared to the Newtonian fluids. The opposite trends are observed for the effects of the magnetic field on the fluid flow and heat transfer characteristics.

AB - The steady laminar magnetohydrodynamic (MHD) boundary-layer flow past a wedge with constant surface heat flux immersed in an incompressible micropolar fluid in the presence of a variable magnetic field is investigated in this paper. The governing partial differential equations are transformed into a system of ordinary differential equations using similarity variables, and then they are solved numerically by means of an implicit finite-difference scheme known as the Keller-box method. Numerical results show that micropolar fluids display drag reduction and consequently reduce the heat transfer rate at the surface, compared to the Newtonian fluids. The opposite trends are observed for the effects of the magnetic field on the fluid flow and heat transfer characteristics.

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KW - Micropolar fluids

KW - Wedge

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